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Subtractive and Nonsubtractive Dithering: A Comparative Analysis

An analysis of subtractively and nonsubtractively dithered quantizing systems, with and without noise-shaping error feedback, is presented. Detailed comparison of their relative advantages and disadvantages is made, including their inherent signal-to-noise ratios and the requirement for knowledge of the dither signal at the output of subtractive systems. A practical discussion of the implications is presented as well as the most thoroughgoing mathematical analysis of either system which currently exists.

Author: Wannamaker, Robert A.
Affiliation: University of Waterloo, Waterloo, Ontario, Canada
AES Convention:97 (November 1994) Paper Number:3920 Import into BibTeX
Subject:DSP—Analog to Digital, Digital to Analog

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